birth rates, sex toy sales and the rate of stds, who takes the cake? austin, texas, dallas, columbus, ohio, durham, north carolina, and denver colorado round out the top five. where aren't they having sex? the bottom three are yonkers, new york. burlington, vermont, and portland, maine. i will let you make your decision about why that might be. quick break here. (announcer) if you think all batteries are the same, consider this: when a tornado tore through holly, colorado, air life denver took to the air... their night-vision goggles keeping them safe on a perilous flight... and powering those precision goggles--- is the only battery air life trusts: duracell. broad daylight or the darkest night... it just has to work. duracell. trusted everywhere.